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50 | */ |
50 | */ |
51 | /*@{*/ |
51 | /*@{*/ |
52 | 52 | ||
53 | /** Allocates the specified type right before the actual packet content and returns its pointer. |
53 | /** Allocates the specified type right before the actual packet content and returns its pointer. |
54 | * The wrapper of the packet_prepend() function. |
54 | * The wrapper of the packet_prepend() function. |
55 | * @param packet The packet to be used. Input parameter. |
55 | * @param[in] packet The packet to be used. |
56 | * @param type The type to be allocated at the beginning of the packet content. Input parameter. |
56 | * @param[in] type The type to be allocated at the beginning of the packet content. |
57 | * @returns The typed pointer to the allocated memory. |
57 | * @returns The typed pointer to the allocated memory. |
58 | * @returns NULL if the packet is not valid. |
58 | * @returns NULL if the packet is not valid. |
59 | * @returns NULL if there is not enough memory left. |
59 | * @returns NULL if there is not enough memory left. |
60 | */ |
60 | */ |
61 | #define PACKET_PREFIX( packet, type ) ( type * ) packet_prefix(( packet ), sizeof( type )) |
61 | #define PACKET_PREFIX( packet, type ) ( type * ) packet_prefix(( packet ), sizeof( type )) |
62 | 62 | ||
63 | /** Allocates the specified type right after the actual packet content and returns its pointer. |
63 | /** Allocates the specified type right after the actual packet content and returns its pointer. |
64 | * The wrapper of the packet_append() function. |
64 | * The wrapper of the packet_append() function. |
65 | * @param packet The packet to be used. Input parameter. |
65 | * @param[in] packet The packet to be used. |
66 | * @param type The type to be allocated at the end of the packet content. Input parameter. |
66 | * @param[in] type The type to be allocated at the end of the packet content. |
67 | * @returns The typed pointer to the allocated memory. |
67 | * @returns The typed pointer to the allocated memory. |
68 | * @returns NULL if the packet is not valid. |
68 | * @returns NULL if the packet is not valid. |
69 | * @returns NULL if there is not enough memory left. |
69 | * @returns NULL if there is not enough memory left. |
70 | */ |
70 | */ |
71 | #define PACKET_SUFFIX( packet, type ) ( type * ) packet_suffix(( packet ), sizeof( type )) |
71 | #define PACKET_SUFFIX( packet, type ) ( type * ) packet_suffix(( packet ), sizeof( type )) |
72 | 72 | ||
73 | /** Trims the actual packet content by the specified prefix and suffix types. |
73 | /** Trims the actual packet content by the specified prefix and suffix types. |
74 | * The wrapper of the packet_trim() function. |
74 | * The wrapper of the packet_trim() function. |
75 | * @param packet The packet to be trimmed. Input parameter. |
75 | * @param[in] packet The packet to be trimmed. |
76 | * @param prefix The type of the prefix to be removed from the beginning of the packet content. Input parameter. |
76 | * @param[in] prefix The type of the prefix to be removed from the beginning of the packet content. |
77 | * @param suffix The type of the suffix to be removed from the end of the packet content. Input parameter. |
77 | * @param[in] suffix The type of the suffix to be removed from the end of the packet content. |
78 | * @returns EOK on success. |
78 | * @returns EOK on success. |
79 | * @returns EINVAL if the packet is not valid. |
79 | * @returns EINVAL if the packet is not valid. |
80 | * @returns ENOMEM if there is not enough memory left. |
80 | * @returns ENOMEM if there is not enough memory left. |
81 | */ |
81 | */ |
82 | #define PACKET_TRIM( packet, prefix, suffix ) packet_trim(( packet ), sizeof( prefix ), sizeof( suffix )) |
82 | #define PACKET_TRIM( packet, prefix, suffix ) packet_trim(( packet ), sizeof( prefix ), sizeof( suffix )) |
83 | 83 | ||
84 | /** Allocates the specified space right before the actual packet content and returns its pointer. |
84 | /** Allocates the specified space right before the actual packet content and returns its pointer. |
85 | * @param packet The packet to be used. Input parameter. |
85 | * @param[in] packet The packet to be used. |
86 | * @param length The space length to be allocated at the beginning of the packet content. Input parameter. |
86 | * @param[in] length The space length to be allocated at the beginning of the packet content. |
87 | * @returns The pointer to the allocated memory. |
87 | * @returns The pointer to the allocated memory. |
88 | * @returns NULL if there is not enough memory left. |
88 | * @returns NULL if there is not enough memory left. |
89 | */ |
89 | */ |
90 | void * packet_prefix( packet_t packet, size_t length ); |
90 | void * packet_prefix( packet_t packet, size_t length ); |
91 | 91 | ||
92 | /** Allocates the specified space right after the actual packet content and returns its pointer. |
92 | /** Allocates the specified space right after the actual packet content and returns its pointer. |
93 | * @param packet The packet to be used. Input parameter. |
93 | * @param[in] packet The packet to be used. |
94 | * @param length The space length to be allocated at the end of the packet content. Input parameter. |
94 | * @param[in] length The space length to be allocated at the end of the packet content. |
95 | * @returns The pointer to the allocated memory. |
95 | * @returns The pointer to the allocated memory. |
96 | * @returns NULL if there is not enough memory left. |
96 | * @returns NULL if there is not enough memory left. |
97 | */ |
97 | */ |
98 | void * packet_suffix( packet_t packet, size_t length ); |
98 | void * packet_suffix( packet_t packet, size_t length ); |
99 | 99 | ||
100 | /** Trims the actual packet content by the specified prefix and suffix lengths. |
100 | /** Trims the actual packet content by the specified prefix and suffix lengths. |
101 | * @param packet The packet to be trimmed. Input parameter. |
101 | * @param[in] packet The packet to be trimmed. |
102 | * @param prefix The prefix length to be removed from the beginning of the packet content. Input parameter. |
102 | * @param[in] prefix The prefix length to be removed from the beginning of the packet content. |
103 | * @param suffix The suffix length to be removed from the end of the packet content. Input parameter. |
103 | * @param[in] suffix The suffix length to be removed from the end of the packet content. |
104 | * @returns EOK on success. |
104 | * @returns EOK on success. |
105 | * @returns EINVAL if the packet is not valid. |
105 | * @returns EINVAL if the packet is not valid. |
106 | * @returns ENOMEM if there is not enough memory left. |
106 | * @returns ENOMEM if there is not enough memory left. |
107 | */ |
107 | */ |
108 | int packet_trim( packet_t packet, size_t prefix, size_t suffix ); |
108 | int packet_trim( packet_t packet, size_t prefix, size_t suffix ); |
109 | 109 | ||
110 | /** Copies the specified data to the beginning of the actual packet content. |
110 | /** Copies the specified data to the beginning of the actual packet content. |
111 | * Pushes the content end if needed. |
111 | * Pushes the content end if needed. |
112 | * @param packet The packet to be filled. Input parameter. |
112 | * @param[in] packet The packet to be filled. |
113 | * @param data The data to be copied. Input parameter. |
113 | * @param[in] data The data to be copied. |
114 | * @param length The length of the copied data. Input parameter. |
114 | * @param[in] length The length of the copied data. |
115 | * @returns EOK on success. |
115 | * @returns EOK on success. |
116 | * @returns EINVAL if the packet is not valid. |
116 | * @returns EINVAL if the packet is not valid. |
117 | * @returns ENOMEM if there is not enough memory left. |
117 | * @returns ENOMEM if there is not enough memory left. |
118 | */ |
118 | */ |
119 | int packet_copy_data( packet_t packet, const void * data, size_t length ); |
119 | int packet_copy_data( packet_t packet, const void * data, size_t length ); |
120 | 120 | ||
121 | /** Returns the packet identifier. |
121 | /** Returns the packet identifier. |
122 | * @param packet The packet. Input parameter. |
122 | * @param[in] packet The packet. |
123 | * @returns The packet identifier. |
123 | * @returns The packet identifier. |
124 | * @returns Zero (0) if the packet is not valid. |
124 | * @returns Zero (0) if the packet is not valid. |
125 | */ |
125 | */ |
126 | packet_id_t packet_get_id( const packet_t packet ); |
126 | packet_id_t packet_get_id( const packet_t packet ); |
127 | 127 | ||
128 | /** Returns the packet content length. |
128 | /** Returns the packet content length. |
129 | * @param packet The packet. Input parameter. |
129 | * @param[in] packet The packet. |
130 | * @returns The packet content length in bytes. |
130 | * @returns The packet content length in bytes. |
131 | * @returns Zero (0) if the packet is not valid. |
131 | * @returns Zero (0) if the packet is not valid. |
132 | */ |
132 | */ |
133 | size_t packet_get_data_length( const packet_t packet ); |
133 | size_t packet_get_data_length( const packet_t packet ); |
134 | 134 | ||
135 | /** Returns the pointer to the beginning of the packet content. |
135 | /** Returns the pointer to the beginning of the packet content. |
136 | * @param packet The packet. Input parameter. |
136 | * @param[in] packet The packet. |
137 | * @returns The pointer to the beginning of the packet content. |
137 | * @returns The pointer to the beginning of the packet content. |
138 | * @returns NULL if the packet is not valid. |
138 | * @returns NULL if the packet is not valid. |
139 | */ |
139 | */ |
140 | void * packet_get_data( const packet_t packet ); |
140 | void * packet_get_data( const packet_t packet ); |
141 | 141 | ||
142 | /** Returns the stored packet addresses and their length. |
142 | /** Returns the stored packet addresses and their length. |
143 | * @param packet The packet. Input parameter. |
143 | * @param[in] packet The packet. |
144 | * @param src The source address. May be NULL if not desired. Output parameter. |
144 | * @param[out] src The source address. May be NULL if not desired. |
145 | * @param dest The destination address. May be NULL if not desired. Output parameter. |
145 | * @param[out] dest The destination address. May be NULL if not desired. |
146 | * @returns The stored addresses length. |
146 | * @returns The stored addresses length. |
147 | * @returns Zero (0) if the addresses are not present. |
147 | * @returns Zero (0) if the addresses are not present. |
148 | * @returns EINVAL if the packet is not valid. |
148 | * @returns EINVAL if the packet is not valid. |
149 | */ |
149 | */ |
150 | int packet_get_addr( const packet_t packet, uint8_t ** src, uint8_t ** dest ); |
150 | int packet_get_addr( const packet_t packet, uint8_t ** src, uint8_t ** dest ); |
151 | 151 | ||
152 | /** Sets the packet addresses. |
152 | /** Sets the packet addresses. |
153 | * @param packet The packet. Input parameter. |
153 | * @param[in] packet The packet. |
154 | * @param src The new source address. May be NULL. Input parameter. |
154 | * @param[in] src The new source address. May be NULL. |
155 | * @param dest The new destination address. May be NULL. Input parameter. |
155 | * @param[in] dest The new destination address. May be NULL. |
156 | * @param addr_len The addresses length. |
156 | * @param[in] addr_len The addresses length. |
157 | * @returns EOK on success. |
157 | * @returns EOK on success. |
158 | * @returns EINVAL if the packet is not valid. |
158 | * @returns EINVAL if the packet is not valid. |
159 | * @returns ENOMEM if there is not enough memory left. |
159 | * @returns ENOMEM if there is not enough memory left. |
160 | */ |
160 | */ |
161 | int packet_set_addr( packet_t packet, const uint8_t * src, const uint8_t * dest, size_t addr_len ); |
161 | int packet_set_addr( packet_t packet, const uint8_t * src, const uint8_t * dest, size_t addr_len ); |
162 | 162 | ||
163 | /** Translates the packet identifier to the packet reference. |
163 | /** Translates the packet identifier to the packet reference. |
164 | * Tries to find mapping first. |
164 | * Tries to find mapping first. |
165 | * Contacts the packet server to share the packet if the mapping is not present. |
165 | * Contacts the packet server to share the packet if the mapping is not present. |
166 | * @param phone The packet server module phone. Input parameter. |
166 | * @param[in] phone The packet server module phone. |
167 | * @param packet The packet reference. Output parameter. |
167 | * @param[out] packet The packet reference. |
168 | * @param packet_id The packet identifier. Input parameter. |
168 | * @param[in] packet_id The packet identifier. |
169 | * @returns EOK on success. |
169 | * @returns EOK on success. |
170 | * @returns EINVAL if the packet parameter is NULL. |
170 | * @returns EINVAL if the packet parameter is NULL. |
171 | * @returns Other error codes as defined for the NET_PACKET_GET_SIZE message. |
171 | * @returns Other error codes as defined for the NET_PACKET_GET_SIZE message. |
172 | * @returns Other error codes as defined for the packet_return() function. |
172 | * @returns Other error codes as defined for the packet_return() function. |
173 | */ |
173 | */ |
174 | int packet_translate( int phone, packet_ref packet, packet_id_t packet_id ); |
174 | int packet_translate( int phone, packet_ref packet, packet_id_t packet_id ); |
175 | 175 | ||
176 | /** Obtains the packet of the given dimensions. |
176 | /** Obtains the packet of the given dimensions. |
177 | * Contacts the packet server to return the appropriate packet. |
177 | * Contacts the packet server to return the appropriate packet. |
178 | * @param phone The packet server module phone. Input parameter. |
178 | * @param[in] phone The packet server module phone. |
179 | * @param addr_len The source and destination addresses maximal length in bytes. Input parameter. |
179 | * @param[in] addr_len The source and destination addresses maximal length in bytes. |
180 | * @param max_prefix The maximal prefix length in bytes. Input parameter. |
180 | * @param[in] max_prefix The maximal prefix length in bytes. |
181 | * @param max_content The maximal content length in bytes. Input parameter. |
181 | * @param[in] max_content The maximal content length in bytes. |
182 | * @param max_suffix The maximal suffix length in bytes. Input parameter. |
182 | * @param[in] max_suffix The maximal suffix length in bytes. |
183 | * @returns The packet reference. |
183 | * @returns The packet reference. |
184 | * @returns NULL on error. |
184 | * @returns NULL on error. |
185 | */ |
185 | */ |
186 | packet_t packet_get_4( int phone, size_t max_content, size_t addr_len, size_t max_prefix, size_t max_suffix ); |
186 | packet_t packet_get_4( int phone, size_t max_content, size_t addr_len, size_t max_prefix, size_t max_suffix ); |
187 | 187 | ||
188 | /** Obtains the packet of the given content size. |
188 | /** Obtains the packet of the given content size. |
189 | * Contacts the packet server to return the appropriate packet. |
189 | * Contacts the packet server to return the appropriate packet. |
190 | * @param phone The packet server module phone. Input parameter. |
190 | * @param[in] phone The packet server module phone. |
191 | * @param content The maximal content length in bytes. Input parameter. |
191 | * @param[in] content The maximal content length in bytes. |
192 | * @returns The packet reference. |
192 | * @returns The packet reference. |
193 | * @returns NULL on error. |
193 | * @returns NULL on error. |
194 | */ |
194 | */ |
195 | packet_t packet_get_1( int phone, size_t content ); |
195 | packet_t packet_get_1( int phone, size_t content ); |
196 | 196 | ||
197 | /** Releases the packet queue. |
197 | /** Releases the packet queue. |
198 | * All packets in the queue are marked as free for use. |
198 | * All packets in the queue are marked as free for use. |
199 | * The packet queue may be one packet only. |
199 | * The packet queue may be one packet only. |
200 | * The module should not use the packets after this point until they are received or obtained again. |
200 | * The module should not use the packets after this point until they are received or obtained again. |
201 | * @param phone The packet server module phone. Input parameter. |
201 | * @param[in] phone The packet server module phone. |
202 | * @param packet_id The packet identifier. Input parameter. |
202 | * @param[in] packet_id The packet identifier. |
203 | */ |
203 | */ |
204 | void pq_release( int phone, packet_id_t packet_id ); |
204 | void pq_release( int phone, packet_id_t packet_id ); |
205 | 205 | ||
206 | /** \todo |
206 | /** Returns the packet copy. |
- | 207 | * Copies the addresses, data, order and metric values. |
|
- | 208 | * Does not copy the queue placement. |
|
- | 209 | * @param[in] phone The packet server module phone. |
|
- | 210 | * @param[in] packet The original packet. |
|
- | 211 | * @returns The packet copy. |
|
- | 212 | * @returns NULL on error. |
|
207 | */ |
213 | */ |
208 | packet_t packet_get_copy( int phone, packet_t packet ); |
214 | packet_t packet_get_copy( int phone, packet_t packet ); |
209 | 215 | ||
210 | /*@}*/ |
216 | /*@}*/ |
211 | 217 |